StupidMarioBros: Bowser Jr. The Prankster!

After Bowser tortured Bowser Jr. in jail, he decided to prank Bowser as his revenge. Then he realized it was so funny, he decided to prank other people. Little did he know that it would only end badly for Bowser Jr.
Credited Companies
(Nintendo)
Mario, Luigi, Princess Peach, Bowser, Bowser Jr, Wario, Waluigi, Donkey Kong, Yoshi.
(Sega)
Tails.
(Namco)
Pac-Man.
(Myself)
Pepper